Intel Xeon E3 1285L v3 's Advantages
Released 7 months late
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (65W vs 115W)
Opteron 6308 's Advantages
Higher specification of memory (1866 vs 4)
Higher base frequency (3.5GHz vs 3.1GHz)